State a source of direct current

1. The dust and gases in outer space are called A. plutoids. B. interstellar medium. C. space debris. D. There is no special name for them.

Bill is throwing a football at four targets and attempting to knock them over. Which of the following targets will be hardest for him to knock over? A. the 100-gram lead target. B. the 50-gram plastic target. C. the 150-gram nylon target. D.

What are examples of chemical energy

Which electromagnetic wave has the largest wavelength? The smallest?

The transfer of thermal energy from one object to another is known as

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.